Finding the Fourth Proportional to 162,525.74, 224,286.09 and 90,901.18
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Solution
The fourth proportional to 162,525.74, 224,286.09 and 90,901.18 is: 125,443.95
Step by Step Solution
- Step 1: Write the proportion equation
162,525.74 : 224,286.09 = 90,901.18 : x - Step 2: Convert to fraction form
162,525.74/224,286.09 = 90,901.18/x - Step 3: Cross multiply
162,525.74x = 224,286.09 × 90,901.18 - Step 4: Simplify right side
162,525.74x = 20,387,869,677.87 - Step 5: Solve for x
x = 20,387,869,677.87/162,525.74 - Step 6: Final answer
x = 125,443.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.